<template>
	<view class="content">
		<view class="navbar">
			<view v-for="(item, index) in navList" :key="index"  class="nav-item" 
				:class="{current: tabCurrentIndex == index}"
				@click="tabClick(index)">
				{{item.text}}
			</view>
		</view>

		<swiper :current="tabCurrentIndex" class="swiper-box" duration="300" @change="changeTab">
			<swiper-item class="tab-content" v-for="(tabItem,tabIndex) in navList" :key="tabIndex">
				<scroll-view 
					class="list-scroll-content" 
					scroll-y
					@scrolltolower="loadOrderList"
				>
				
					<!-- 空白页 -->
					<empty v-if="orderList.length === 0">
					</empty>
					
					<!-- 订单列表 -->
					<view v-if="orderList.length>0"
						v-for="(item,index) in orderList" :key="index"
						class="order-item"
					>
						<view class="i-top b-b">
							<text class="time">{{ $API.formatDate(item.createAt) }}</text>
							<tn-badge backgroundColor="#FFD700" fontColor="black" class="tn-margin-right" :redius="32" v-if="item.ptOrder">团</tn-badge>
							<text class="state">{{ $API.order_status(item.orderStatus, item.payStatus) }}</text>
							<!-- 只有取消状态、已退款状态的订单，才允许删除 -->
							<text class="del-btn yticon icon-iconfontshanchu1"
								@click="deleteOrder(index, item.orderId)" v-if="item.orderStatus == 80 || item.orderStatus == 100"
							></text>
						</view>
						
						<view 
							class="goods-box-single"
							v-for="(goodsItem, goodsIndex) in item.orderItemList" :key="goodsIndex"
							@click="navToDetailPage(item.orderId)"
						>
							<image class="goods-img" :src="goodsItem.uploadImgs && goodsItem.uploadImgs.length > 0 ? goodsItem.uploadImgs[goodsItem.uploadImgs.length - 1]: goodsItem.goodsThumb[0]" mode="aspectFill"></image>
							<view class="right">
								<text class="title clamp">{{goodsItem.goodsName}}</text>
								<text class="attr-box" v-if="goodsItem.specItems && goodsItem.specItems.length > 0"> 尺寸: {{ goodsItem.specItems[0]['value'] }}{{ goodsItem.specItems[0]['unit'] }} </text>
								<text class="price">{{goodsItem.goodsPrice}} * {{goodsItem.orderQuantity}}</text>
							</view>
							
						</view>
						
						<view class="price-box">
							共
							<text class="num">{{ 1 }}</text>
							件商品 实付款
							<text class="price" style="font-weight: bold; font-size: 1.5em; color: red;">{{ item.payAmount }}</text>
						</view>
						<!-- 订单状态 = 待支付，支付状态 = 未支付/支付失败 时，可以重新支付 -->
						<view class="action-box b-t" v-if="item.orderStatus<=15 && (item.payStatus == 0 || item.payStatus == 100)">
							<button class="action-btn" v-if="item.orderStatus == 100" @click="cancelOrder(item.order.id)">删除订单</button>
							<button class="action-btn recom" @click="toPay(item)">立即支付</button>
						</view>
					</view>
					 
					<!-- <uni-load-more :status="tabItem.loadingType"></uni-load-more> -->
					
				</scroll-view>
			</swiper-item>
		</swiper>
	</view>
</template> 

<script>
	import uniLoadMore from '@/components/uni-load-more/uni-load-more.vue';
	import empty from "@/components/empty";
	export default {
		components: {
			uniLoadMore,
			empty
		},
		data() {
			return {
				tabCurrentIndex: 0,
				page:1,
				lastPage: false,
				orderList:[],
				navList: [{
						state: null,
						text: '全部',
						loadingType: 'more',
						orderList: []
					},
					{
						state: "10",
						text: '待付款',
						loadingType: 'more',
						orderList: []
					},
					{
						state: "15,20",
						text: '待发货',
						loadingType: 'more',
						orderList: []
					},
					{
						state: "25",
						text: '待收货',
						loadingType: 'more',
						orderList: []
					},
					{
						state: "30,35,80,100",
						text: '退款/售后',
						loadingType: 'more',
						orderList: []
					}
				],
			};
		},
		onBackPress() {
			console.log('拦截返回')
			uni.reLaunch({
				url: "/pages/user/user"
			})
			return true;
		},
		onLoad(options){
			console.log(options)
			this.tabCurrentIndex =options.state || 0;
			this.loadOrderList()
		},
		 
		methods: {
			async loadOrderList() {
				if (this.lastPage) {
					// 已经是最后一页了
					return;
				}
				
				// 查询订单列表
				let _this = this;
				this.$Net.req({
					url: this.$API.fetchOrderList(),
					method: "get",
					data: {
						'status': this.navList[this.tabCurrentIndex].state,
						'page': this.page,
						'size': 20,
					},
					dataType: 'json',
					success: function(result, status) {
						if (result.next == 2) {
							// 表示当前访问的是第一页
							_this.orderList = result.list
						} else {
							// 加载下一页
							_this.orderList = _this.orderList.concat(result.list);
						}
						_this.page = result.next;
						_this.lastPage = result.end;
						console.log('订单列表: {}', _this.orderList);
					},
				});
			},
			//swiper 切换
			changeTab(e){
				this.tabCurrentIndex = e.target.current;
				this.page = 1;
				this.lastPage = false;
				this.loadOrderList('tabChange');
			},
			//顶部tab点击
			tabClick(index){
				this.tabCurrentIndex = index;
				this.page = 1;
				this.lastPage = false;
				// this.loadOrderList('tabChange');
			},
			//删除订单
			deleteOrder(index,id){
				console.log(index,id)
				
				uni.showLoading({
					title: '订单删除中，请稍后'
				})
				
				setTimeout(()=>{
					uni.hideLoading();
				}, 600)
				
				let _this = this;
				this.$Net.req({
					url: this.$API.execDeleteOrder(),
					method: "get",
					data: {
						'orderId': id,
					},
					dataType: 'json',
					success: function(result, status) {
						if (result) {
							_this.orderList.splice(index, 1);
							uni.hideLoading();
						}
					},
				})
				
			},
			//取消订单
			cancelOrder(id){
				uni.showLoading({
					title: '请稍后'
				})
			},
			toPay(item) {
				let _this = this;
				this.$Net.req({
					url: this.$API.execPayOrder(),
					method: "get",
					data: {
						'orderId': item.orderId,
					},
					dataType: 'json',
					success: function(result, status) {
						console.log('唤起支付窗口: {}', result);
						_this.pay(result)
					},
				});
			},
			pay(res) {
				// 唤起微信支付
				console.log("准备去支付啦~", res)
				if (res.prePayId) {
					const prePayInfo = res.prePayInfo;
					let _this = this
					uni.requestPayment({
						provider: 'wxpay',
						nonceStr: prePayInfo.nonceStr,
						package: prePayInfo.prePackage,
						paySign: prePayInfo.paySign,
						signType: prePayInfo.signType,
						timeStamp: prePayInfo.timeStamp,
						success: function(res) {
							console.log('success:' + JSON.stringify(res));
							_this.$api.msg('支付成功')
							setTimeout(() => {
								uni.redirectTo({
									'url': '/pages/order/order'
								})
							}, 800)
						},
						fail: function(err) {
							console.log('fail:' + JSON.stringify(err));
							setTimeout(() => {
								uni.redirectTo({
									'url': '/pages/order/order'
								})
							}, 800)
						}
					});
				} else {
					this.$t.message.toast("唤起微信支付失败，请到订单列表完成支付吧~");
					// 唤起支付失败，直接进入订单详情
					uni.redirectTo({
						'url': '/pages/order/order'
					})
				}
			},
			
			
			//订单状态文字和颜色
			orderStateExp(state){
				let stateTip = '',
					stateTipColor = '#fa436a';
				switch(+state){
					case 1:
						stateTip = '待付款'; break;
					case 2:
						stateTip = '待发货'; break;
					case 9:
						stateTip = '订单已关闭'; 
						stateTipColor = '#909399';
						break;
						
					//更多自定义
				}
				return {stateTip, stateTipColor};
			},			
			//详情页
			navToDetailPage(id) {
				uni.navigateTo({
					url: `/pages/order/detail?id=${id}`
				})
			},
		},
	}
</script>

<style lang="scss">
	page, .content{
		background: $page-color-base;
		height: 100%;
	}
	
	.swiper-box{
		height: calc(100% - 40px);
	}
	.list-scroll-content{
		height: 100%;
	}
	
	.navbar{
		display: flex;
		height: 40px;
		padding: 0 5px;
		background: #fff;
		box-shadow: 0 1px 5px rgba(0,0,0,.06);
		position: relative;
		z-index: 10;
		.nav-item{
			flex: 1;
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			font-size: 15px;
			color: $font-color-dark;
			position: relative;
			&.current{
				color: $base-color;
				&:after{
					content: '';
					position: absolute;
					left: 50%;
					bottom: 0;
					transform: translateX(-50%);
					width: 44px;
					height: 0;
					border-bottom: 2px solid $base-color;
				}
			}
		}
	}

	.uni-swiper-item{
		height: auto;
	}
	.order-item{
		display: flex;
		flex-direction: column;
		padding-left: 30upx;
		background: #fff;
		margin-top: 16upx;
		.i-top{
			display: flex;
			align-items: center;
			height: 80upx;
			padding-right:30upx;
			font-size: $font-base;
			color: $font-color-dark;
			position: relative;
			.time{
				flex: 1;
			}
			.state{
				color: $base-color;
			}
			.del-btn{
				padding: 10upx 0 10upx 36upx;
				font-size: $font-lg;
				color: $font-color-light;
				position: relative;
				&:after{
					content: '';
					width: 0;
					height: 30upx;
					border-left: 1px solid $border-color-dark;
					position: absolute;
					left: 20upx;
					top: 50%;
					transform: translateY(-50%);
				}
			}
		}
		/* 多条商品 */
		.goods-box{
			height: 160upx;
			padding: 20upx 0;
			white-space: nowrap;
			.goods-item{
				width: 120upx;
				height: 120upx;
				display: inline-block;
				margin-right: 24upx;
			}
			.goods-img{
				display: block;
				width: 100%;
				height: 100%;
			}
		}
		/* 单条商品 */
		.goods-box-single{
			display: flex;
			padding: 20upx 0;
			.goods-img{
				display: block;
				width: 120upx;
				height: 120upx;
			}
			.right{
				flex: 1;
				display: flex;
				flex-direction: column;
				padding: 0 30upx 0 24upx;
				overflow: hidden;
				.title{
					font-size: $font-base + 2upx;
					color: $font-color-dark;
					line-height: 1;
				}
				.attr-box{
					font-size: $font-sm + 2upx;
					color: $font-color-light;
					padding: 10upx 12upx;
				}
				.price{
					font-size: $font-base;
					color: $font-color-dark;
					&:before{
						content: '￥';
						font-size: $font-sm;
						margin: 0 2upx 0 8upx;
					}
				}
			}
		}
		
		.price-box{
			display: flex;
			justify-content: flex-end;
			align-items: baseline;
			padding: 20upx 30upx;
			font-size: $font-sm + 2upx;
			color: $font-color-light;
			.num{
				margin: 0 8upx;
				color: $font-color-dark;
			}
			.price{
				font-size: $font-lg;
				color: $font-color-dark;
				&:before{
					content: '￥';
					font-size: $font-sm;
					margin: 0 2upx 0 8upx;
				}
			}
		}
		.action-box{
			display: flex;
			justify-content: flex-end;
			align-items: center;
			height: 100upx;
			position: relative;
			padding-right: 30upx;
		}
		.action-btn{
			width: 160upx;
			height: 60upx;
			margin: 0;
			margin-left: 24upx;
			padding: 0;
			text-align: center;
			line-height: 60upx;
			font-size: $font-sm + 2upx;
			color: $font-color-dark;
			background: #ececec;
			border-radius: 100px;
			&:after{
				border-radius: 100px;
			}
			&.recom{
				background: #fa436a;
				color: white;
				&:after{
					border-color: #f7bcc8;
				}
			}
		}
	}
	
	
	/* load-more */
	.uni-load-more {
		display: flex;
		flex-direction: row;
		height: 80upx;
		align-items: center;
		justify-content: center
	}
	
	.uni-load-more__text {
		font-size: 28upx;
		color: #999
	}
	
	.uni-load-more__img {
		height: 24px;
		width: 24px;
		margin-right: 10px
	}
	
	.uni-load-more__img>view {
		position: absolute
	}
	
	.uni-load-more__img>view view {
		width: 6px;
		height: 2px;
		border-top-left-radius: 1px;
		border-bottom-left-radius: 1px;
		background: #999;
		position: absolute;
		opacity: .2;
		transform-origin: 50%;
		animation: load 1.56s ease infinite
	}
	
	.uni-load-more__img>view view:nth-child(1) {
		transform: rotate(90deg);
		top: 2px;
		left: 9px
	}
	
	.uni-load-more__img>view view:nth-child(2) {
		transform: rotate(180deg);
		top: 11px;
		right: 0
	}
	
	.uni-load-more__img>view view:nth-child(3) {
		transform: rotate(270deg);
		bottom: 2px;
		left: 9px
	}
	
	.uni-load-more__img>view view:nth-child(4) {
		top: 11px;
		left: 0
	}
	
	.load1,
	.load2,
	.load3 {
		height: 24px;
		width: 24px
	}
	
	.load2 {
		transform: rotate(30deg)
	}
	
	.load3 {
		transform: rotate(60deg)
	}
	
	.load1 view:nth-child(1) {
		animation-delay: 0s
	}
	
	.load2 view:nth-child(1) {
		animation-delay: .13s
	}
	
	.load3 view:nth-child(1) {
		animation-delay: .26s
	}
	
	.load1 view:nth-child(2) {
		animation-delay: .39s
	}
	
	.load2 view:nth-child(2) {
		animation-delay: .52s
	}
	
	.load3 view:nth-child(2) {
		animation-delay: .65s
	}
	
	.load1 view:nth-child(3) {
		animation-delay: .78s
	}
	
	.load2 view:nth-child(3) {
		animation-delay: .91s
	}
	
	.load3 view:nth-child(3) {
		animation-delay: 1.04s
	}
	
	.load1 view:nth-child(4) {
		animation-delay: 1.17s
	}
	
	.load2 view:nth-child(4) {
		animation-delay: 1.3s
	}
	
	.load3 view:nth-child(4) {
		animation-delay: 1.43s
	}
	
	@-webkit-keyframes load {
		0% {
			opacity: 1
		}
	
		100% {
			opacity: .2
		}
	}
</style>
